Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-d47eae43-1249-11f0-8a87-6045bdc78a54

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

b1e2bee9

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-3b8e1aa6-1c7a-492c-b04d-66d196b8c8bd

Comm: tcp://127.0.0.1:46261	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:35685	Total threads: 1
Dashboard: http://127.0.0.1:36723/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:40929
Local directory: /tmp/dask-scratch-space/worker-5u8t9t9z

Worker: 1

Comm: tcp://127.0.0.1:42195	Total threads: 1
Dashboard: http://127.0.0.1:42013/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:43305
Local directory: /tmp/dask-scratch-space/worker-lnblyiet

Worker: 2

Comm: tcp://127.0.0.1:41013	Total threads: 1
Dashboard: http://127.0.0.1:37435/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:45451
Local directory: /tmp/dask-scratch-space/worker-i92918ac

Worker: 3

Comm: tcp://127.0.0.1:34981	Total threads: 1
Dashboard: http://127.0.0.1:46345/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:41731
Local directory: /tmp/dask-scratch-space/worker-gdljqcry

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)